Granted Patent
Utility
US 4,603,238 · App. 06/534,959
Fast indexing encoder apparatus
Inventors:
Donald R. Griswold, Richard H. Lammers
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Sep 22, 1983
Inventors
Donald R. Griswold
Richard H. Lammers
Assignee (at issue)
Motorola, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.